Bert,
Your comment about the AD9832 being a 25MHz part made me think, and I too
wonder how it might all work. The data sheet calls it a 25MHz part, and I agree
with you that it might be expected that some extra division occurred between
the ~60MHz Rb loop and the synthesizer MCLK.
That's not
I did measure the Xtal and it is 60 MHz. That is the only thing I know for
sure. I did not probe the output of the DDS because with my 69 years old
hands I do not want to slip and destroy the unit, some one else may want to
test it. As a group we should be able to solve the problem since the
